Schaefer, R. T. (1998). Sociology. McGraw-Hill.
Chicago Style (17th ed.) CitationSchaefer, Richard T. Sociology. New York: McGraw-Hill, 1998.
MLA (9th ed.) CitationSchaefer, Richard T. Sociology. McGraw-Hill, 1998.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.